13366427 has 4 divisors (see below), whose sum is σ = 13947600. Its totient is φ = 12785256.

The previous prime is 13366417. The next prime is 13366439. The reversal of 13366427 is 72466331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13366427 - 2⁴ = 13366411 is a prime.

It is a super-2 number, since 2×13366427² = 357322741492658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13366393 and 13366402.

It is not an unprimeable number, because it can be changed into a prime (13366417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290552 + ... + 290597.

It is an arithmetic number, because the mean of its divisors is an integer number (3486900).

Almost surely, 2^13366427 is an apocalyptic number.

13366427 is a deficient number, since it is larger than the sum of its proper divisors (581173).

13366427 is an equidigital number, since it uses as much as digits as its factorization.

13366427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581172.

The product of its digits is 18144, while the sum is 32.

The square root of 13366427 is about 3656.0124452742. The cubic root of 13366427 is about 237.3222426136.

The spelling of 13366427 in words is "thirteen million, three hundred sixty-six thousand, four hundred twenty-seven".